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发明名称
Способ пассивирования ферромарганцевого порошка
摘要
申请公布号
SU62454(A1)
申请公布日期
1942.11.30
申请号
SU19410318506
申请日期
1941.05.08
申请人
KAINOV
发明人
KAINOV
分类号
B22F1/00
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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